Strange red rock formations that have been attributed to a higher power for hundreds of years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The highest peak in Puerto Rico is home to a rare fern that can only be found on six trees at its summit.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This tiny home was originally a narrow alleyway.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

This park straddling the United States-Canadian border has been a symbol of peace since 1932.

This museum is a full-size replica of an original church constructed during the 13th-century.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

This candy-striped tower is the farthest east you can go in the United States.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The eccentric mansion of one the most popular horror authors of modern times.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

Cryptid lake monster honored with its own monument.

A massive sustainable farm designed by the mastermind behind Central Park.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A cemetery for only coon hounds in northwest Alabama.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A miniature city built by a single hunchbacked monk.

Famous for its bio-luminescent inhabitants, known as "Dismalites" .